Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
11, ?, 20, 29, 41, 56
Option 1: 16
Option 2: 13
Option 3: 15
Option 4: 14
Correct Answer: 14
Solution :
Given:
11, ?, 20, 29, 41, 56
Add the multiples of 3 to the previous number to get the following number –
11 + 3 = 14; 14 + 6 = 20; 20 + 9 = 29; 29 + 12 = 41; 41 + 15 = 56
So, 14 is the missing number in the series. Hence, the fourth option is correct.
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